HomePrefix Lookup133.100.12.0/22

133.100.12.0/22

🇯🇵
IPv4APNICannouncedAS18148FUKUOKA-U - Fukuoka UniversityNo ROA
CIDR
133.100.12.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Fukuoka
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
133.100.12.0/22AS18148FUKUOKA-U - Fukuoka UniversityNo ROA—5/31/2026
Origin ASN
AS18148
FUKUOKA-U - Fukuoka University
Geolocation
Country🇯🇵JapanJP
RegionFukuoka
CityFukuoka
Coordinates33.5489, 130.3660 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/133.100.12.0/22

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/133.100.12.0/22" | jq
External Links
RIPEstat Hurricane Electric BGP